Home / 81,168,299.04-121,794,307.76-38,041,883.76

Finding the Fourth Proportional to 81,168,299.04, 121,794,307.76 and 38,041,883.76

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Solution

The fourth proportional to 81,168,299.04, 121,794,307.76 and 38,041,883.76 is: 57,082,444.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,168,299.04 : 121,794,307.76 = 38,041,883.76 : x
  2. Step 2: Convert to fraction form
    81,168,299.04/121,794,307.76 = 38,041,883.76/x
  3. Step 3: Cross multiply
    81,168,299.04x = 121,794,307.76 × 38,041,883.76
  4. Step 4: Simplify right side
    81,168,299.04x = 4,633,284,898,530,691
  5. Step 5: Solve for x
    x = 4,633,284,898,530,691/81,168,299.04
  6. Step 6: Final answer
    x = 57,082,444.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.